<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    function randomString(t) {
        t = t || 32;
        var e = "ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678"
          , n = e.length
          , r = "";
        for (i = 0; i < t; i++)
            r += e.charAt(Math.floor(Math.random() * n));
        return r
    }
    function pad(t, e) {
        return Array(t < e ? e - ("" + t).length + 1 : 0).join(0) + t
    }
    function undefind_function() {
        var other_temp = Date.parse(new Date()).toString().substr(0,10)
        for (var t = other_temp, e = (new Date).getSeconds(), i = 100 * Number(t) + e, n = parseInt(Number(i) / 1e3), r = new Array(4), o = 3; 0 <= o; o--)
            3 == o ? r[3] = Number(i) % 1e3 : (r[o] = n % 1e3,
            n = parseInt(n / 1e3));
        var s = r.map(function(t) {
            var e, i = [1, 3, 5, 7, 9], n = [0, 2, 4, 6, 8];
            return t < 480 ? (t = 1e3 - t,
            e = i[Math.floor(Math.random() * i.length)]) : e = n[Math.floor(Math.random() * n.length)],
            (randomString(2) + t.toString(16) + e).toUpperCase()
        }).join("-")
          , a = parseInt(e / 10)
          , l = e % 10
          , c = a * l * 100 + 10 * (a + 1) + (9 - l);
        return s + "-" + randomString(4) + c
    }
    console.info(undefind_function())
</script>

</body>
</html>